1493840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 40

約数和(自身を含む): 3535488

約数和(自身を除く): 2041648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 263, 284, 355, 526, 568, 710, 1052, 1136, 1315, 1420, 2104, 2630, 2840, 4208, 5260, 5680, 10520, 18673, 21040, 37346, 74692, 93365, 149384, 186730, 298768, 373460, 746920, 1493840]

約数ペア:

[(1, 1493840), (2, 746920), (4, 373460), (5, 298768), (8, 186730), (10, 149384), (16, 93365), (20, 74692), (40, 37346), (71, 21040), (80, 18673), (142, 10520), (263, 5680), (284, 5260), (355, 4208), (526, 2840), (568, 2630), (710, 2104), (1052, 1420), (1136, 1315)]